Open AccessElectrochemical Modeling of Scanning Vibrating Electrode Technique on Scratched and Inclined Surfaces
Author(s) -
Mohsen Saeedikhani,
Kai Xiang Kuah,
Sudesh Wijesinghe,
Sareh Vafakhah,
Daniel John Blackwood
Publication year - 2021
Publication title -
journal of the electrochemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.258
H-Index - 271
eISSN - 1945-7111
pISSN - 0013-4651
DOI - 10.1149/1945-7111/ac1b50
Subject(s) - cathodic protection , electrode , materials science , galvanic cell , electrolyte , current density , corrosion , anode , electrochemistry , enhanced data rates for gsm evolution , composite material , electrode potential , metallurgy , chemistry , physics , quantum mechanics , computer science , telecommunications
The Scanning Vibrating Electrode Technique is a valuable method for investigating localized corrosion, which has the potential to provide further insights if used in conjunction with simulation. This paper demonstrates, by combining experimental data with finite element simulations, that variation in the height of the probe to the electrode surface will cause an imbalance in the measured anodic and cathodic currents, with IR drop being a main determining factor. In addition, the simulations obtain the actual current density at/across the electrode’s surface, whereas the electrolyte current density is obtained by SVET. The galvanic corrosion at scratched and cut-edge zinc-based coated steel in a saline solution are used as examples.